- Lyttelton, George, 1st Lord Lyttelton
- Lytton, Edward George Earle Lytton-Bulwer, 1st Lord
- Lytton, Edward Robert Bulwer, 1st Earl of Lytton
- Macaulay, Mrs. Catherine (Sawbridge)
- Macaulay, Thomas Babington, Lord
- Maccarthy, Denis Florence
- M'Cosh, James
- M'Crie, Thomas
- MacDonald, George
- MacKay, Charles
- Mackenzie, Sir George
- Mackenzie, Henry
- Mackintosh, Sir James
- Macklin, Charles
- M'Lennan, John Ferguson
- "Macleod, Fiona"
- MacLeod, Norman
- MacNeill, Hector
- MacPherson, James
- Maginn, William
- Mahony, Francis Sylvester (Father Prout)
- Maine, Sir Henry James Sumner
- Mair, or Major, John
- Maitland, Sir Richard
- Malcolm, Sir John
- Mallet, originally Malloch, David
- Malone, Edmund
- Malory, Sir Thomas
- Malthus, Thomas Robert
- Mandeville, Bernard de
- Mandeville, Sir John
- Mangan, James Clarence
- Manley, Mrs. Mary de la Riviere
- Manning, Anne
- Manning, Henry Edward
- Robert de Brunne
- Mannyng, Robert, or Robert de Brunne
- Mansel, Henry Longueville
- Map, or Mapes, Walter de
- Markham, Gervase
- Marlowe, Christopher
- Marmion, Shackerley
- Marryat, Frederick
- Marsh, Herbert
- Marston, John
- Marston, Philip Bourke
- Martin, Sir Theodore
- Martineau, Harriet
- Martineau, James
- Marvell, Andrew
- Mason, William
- Massey, Gerald
- Massinger, Philip
- Masson, David
- Mather, Cotton
- Mathias, Thomas James
- Maturin, Charles Robert
- Maurice, Frederick Denison
- Maxwell, William Hamilton
- Max-Müller, Friedrich
- May, Thomas
- May, Sir Thomas Erskine, 1st Baron Farnborough
- Mayne, Jasper
- Mayne, John
- Melville, Herman
- Melville, James
- Melville, Sir James
- Meredith, George
- Meres, Francis
- Merivale, Charles
- Merriman, H. Seton
- Meston, William
- Mickle, William Julius
- Middleton, Conyers
- Middleton, Thomas
- Mill, James
- Mill, John Stuart
- Miller, Hugh
- Miller, Thomas
- Milman, Henry Hart
- Milnes, R. Monckton
- Milton, John
- Minot, Laurence
- Minto, William
- Mitchell, John
- Mitford, Mary Russell
- Mitford, William
- Moir, David Macbeth
- Monboddo, James Burnett, Lord
- Montagu, Elizabeth (Robinson)
- Montagu, Lady Mary Wortley (Pierrepont)
- Montgomerie, Alexander
- Montgomery, James
- Montgomery, Robert
- Moore, Edward
- Moore, John
- Moore, Thomas
- More, Hannah
- More, Henry
- More, Sir Thomas